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- Title
Confirmation of chromosome 7q11 locus for predisposition to intracranial aneurysm.
- Authors
Farnham, James M; Camp, Nicola J; Neuhausen, Susan L; Tsuruda, Jay; Parker, Dennis; MacDonald, Joel; Cannon-Albright, Lisa A
- Abstract
A significant linkage of intracranial aneurysm (IA) has recently been reported to chromosomal region 7q11 (MLS=3.22) in a genomic search of 85 Japanese nuclear families with at least two affected siblings (104 sib pairs). This region contains the elastin gene (ELN, OMIM 130160), which is a functional candidate gene for IA. We have replicated this finding through linkage analyses in 13 extended pedigrees from Utah, comprising 39 IA cases. We genotyped three markers flanking ELN and performed two-point and multipoint parametric analyses, employing simple dominant and recessive models. Analyses utilizing a recessive affecteds-only model yielded significant confirmation of linkage to the region (best evidence, multipoint TLOD=2.34, at D7S2421, corrected P=0.001). This study is the first to confirm the linkage of the 7q11 locus for IA.
- Publication
Human genetics, 2004, Vol 114, Issue 3, p250
- ISSN
0340-6717
- Publication type
Journal Article
- DOI
10.1007/s00439-003-1044-z